blob: 2d3da9e122fb4f2522eb3df3462f35f4e3027577 [file] [log] [blame]
// Copyright 2020 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
#include <assert.h>
#include <wasm_simd128.h>
#include <xnnpack/maxpool.h>
void xnn_f32_maxpool_minmax_ukernel_9p8x__wasmsimd_arm_c4(
size_t output_pixels,
size_t kernel_elements,
size_t channels,
const float** input,
size_t input_offset,
float* output,
size_t input_increment,
size_t output_increment,
const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
{
assert(output_pixels != 0);
assert(kernel_elements != 0);
assert(channels != 0);
const v128_t voutput_max = wasm_v128_load64_splat(params->wasmsimd.max);
const v128_t voutput_min = wasm_v128_load64_splat(params->wasmsimd.min);
do {
float* o = output;
{
const float* i0 = *input++;
const float* i1 = *input++;
const float* i2 = *input++;
const float* i3 = *input++;
const float* i4 = *input++;
const float* i5 = *input++;
const float* i6 = *input++;
const float* i7 = *input++;
const float* i8 = *input++;
i0 = (const float*) ((uintptr_t) i0 + input_offset);
i1 = (const float*) ((uintptr_t) i1 + input_offset);
i2 = (const float*) ((uintptr_t) i2 + input_offset);
i3 = (const float*) ((uintptr_t) i3 + input_offset);
i4 = (const float*) ((uintptr_t) i4 + input_offset);
i5 = (const float*) ((uintptr_t) i5 + input_offset);
i6 = (const float*) ((uintptr_t) i6 + input_offset);
i7 = (const float*) ((uintptr_t) i7 + input_offset);
i8 = (const float*) ((uintptr_t) i8 + input_offset);
if (kernel_elements < 2) {
i1 = i0;
}
if (kernel_elements <= 2) {
i2 = i0;
}
if (kernel_elements < 4) {
i3 = i0;
}
if (kernel_elements <= 4) {
i4 = i0;
}
if (kernel_elements < 6) {
i5 = i0;
}
if (kernel_elements <= 6) {
i6 = i0;
}
if (kernel_elements < 8) {
i7 = i0;
}
if (kernel_elements <= 8) {
i8 = i0;
}
size_t c = channels;
for (; c >= 4; c -= 4) {
const v128_t vi0 = wasm_v128_load(i0);
i0 += 4;
const v128_t vi1 = wasm_v128_load(i1);
i1 += 4;
const v128_t vi2 = wasm_v128_load(i2);
i2 += 4;
const v128_t vi3 = wasm_v128_load(i3);
i3 += 4;
const v128_t vi4 = wasm_v128_load(i4);
i4 += 4;
const v128_t vi5 = wasm_v128_load(i5);
i5 += 4;
const v128_t vi6 = wasm_v128_load(i6);
i6 += 4;
const v128_t vi7 = wasm_v128_load(i7);
i7 += 4;
const v128_t vi8 = wasm_v128_load(i8);
i8 += 4;
const v128_t vmax018 = wasm_f32x4_max(wasm_f32x4_max(vi0, vi1), vi8);
const v128_t vmax23 = wasm_f32x4_max(vi2, vi3);
const v128_t vmax45 = wasm_f32x4_max(vi4, vi5);
const v128_t vmax67 = wasm_f32x4_max(vi6, vi7);
const v128_t vmax2345 = wasm_f32x4_max(vmax23, vmax45);
const v128_t vmax01678 = wasm_f32x4_max(vmax018, vmax67);
const v128_t vmax = wasm_f32x4_max(vmax2345, vmax01678);
const v128_t vout = wasm_f32x4_max(wasm_f32x4_min(vmax, voutput_max), voutput_min);
wasm_v128_store(o, vout);
o += 4;
}
if (c != 0) {
const v128_t vi0 = wasm_v128_load(i0);
i0 += 4;
const v128_t vi1 = wasm_v128_load(i1);
i1 += 4;
const v128_t vi2 = wasm_v128_load(i2);
i2 += 4;
const v128_t vi3 = wasm_v128_load(i3);
i3 += 4;
const v128_t vi4 = wasm_v128_load(i4);
i4 += 4;
const v128_t vi5 = wasm_v128_load(i5);
i5 += 4;
const v128_t vi6 = wasm_v128_load(i6);
i6 += 4;
const v128_t vi7 = wasm_v128_load(i7);
i7 += 4;
const v128_t vi8 = wasm_v128_load(i8);
i8 += 4;
const v128_t vmax018 = wasm_f32x4_max(wasm_f32x4_max(vi0, vi1), vi8);
const v128_t vmax23 = wasm_f32x4_max(vi2, vi3);
const v128_t vmax45 = wasm_f32x4_max(vi4, vi5);
const v128_t vmax67 = wasm_f32x4_max(vi6, vi7);
const v128_t vmax2345 = wasm_f32x4_max(vmax23, vmax45);
const v128_t vmax01678 = wasm_f32x4_max(vmax018, vmax67);
const v128_t vmax = wasm_f32x4_max(vmax2345, vmax01678);
v128_t vout = wasm_f32x4_max(wasm_f32x4_min(vmax, voutput_max), voutput_min);
if (c & 2) {
*((double*) o) = wasm_f64x2_extract_lane(vout, 0);
vout = wasm_v32x4_shuffle(vout, vout, 2, 3, 2, 3);
o += 2;
}
if (c & 1) {
*o++ = wasm_f32x4_extract_lane(vout, 0);
}
}
}
for (ptrdiff_t k = (ptrdiff_t) kernel_elements - 9; k > 0; k -= 8) {
const float* i0 = *input++;
const float* i1 = *input++;
const float* i2 = *input++;
const float* i3 = *input++;
const float* i4 = *input++;
const float* i5 = *input++;
const float* i6 = *input++;
const float* i7 = *input++;
i0 = (const float*) ((uintptr_t) i0 + input_offset);
i1 = (const float*) ((uintptr_t) i1 + input_offset);
i2 = (const float*) ((uintptr_t) i2 + input_offset);
i3 = (const float*) ((uintptr_t) i3 + input_offset);
i4 = (const float*) ((uintptr_t) i4 + input_offset);
i5 = (const float*) ((uintptr_t) i5 + input_offset);
i6 = (const float*) ((uintptr_t) i6 + input_offset);
i7 = (const float*) ((uintptr_t) i7 + input_offset);
if (k < 2) {
i1 = i0;
}
if (k <= 2) {
i2 = i0;
}
if (k < 4) {
i3 = i0;
}
if (k <= 4) {
i4 = i0;
}
if (k < 6) {
i5 = i0;
}
if (k <= 6) {
i6 = i0;
}
if (k < 8) {
i7 = i0;
}
o = output;
size_t c = channels;
for (; c >= 4; c -= 4) {
const v128_t vi0 = wasm_v128_load(i0);
i0 += 4;
const v128_t vi1 = wasm_v128_load(i1);
i1 += 4;
const v128_t vi2 = wasm_v128_load(i2);
i2 += 4;
const v128_t vi3 = wasm_v128_load(i3);
i3 += 4;
const v128_t vi4 = wasm_v128_load(i4);
i4 += 4;
const v128_t vi5 = wasm_v128_load(i5);
i5 += 4;
const v128_t vi6 = wasm_v128_load(i6);
i6 += 4;
const v128_t vi7 = wasm_v128_load(i7);
i7 += 4;
const v128_t vo = wasm_v128_load(o);
const v128_t vmax01 = wasm_f32x4_max(wasm_f32x4_max(vi0, vi1), vo);
const v128_t vmax23 = wasm_f32x4_max(vi2, vi3);
const v128_t vmax45 = wasm_f32x4_max(vi4, vi5);
const v128_t vmax67 = wasm_f32x4_max(vi6, vi7);
const v128_t vmax2345 = wasm_f32x4_max(vmax23, vmax45);
const v128_t vmax0167 = wasm_f32x4_max(vmax01, vmax67);
const v128_t vmax = wasm_f32x4_max(vmax2345, vmax0167);
const v128_t vout = wasm_f32x4_max(wasm_f32x4_min(vmax, voutput_max), voutput_min);
wasm_v128_store(o, vout);
o += 4;
}
if (c != 0) {
const v128_t vi0 = wasm_v128_load(i0);
const v128_t vi1 = wasm_v128_load(i1);
const v128_t vi2 = wasm_v128_load(i2);
const v128_t vi3 = wasm_v128_load(i3);
const v128_t vi4 = wasm_v128_load(i4);
const v128_t vi5 = wasm_v128_load(i5);
const v128_t vi6 = wasm_v128_load(i6);
const v128_t vi7 = wasm_v128_load(i7);
const v128_t vo = wasm_v128_load(o);
const v128_t vmax01 = wasm_f32x4_max(wasm_f32x4_max(vi0, vi1), vo);
const v128_t vmax23 = wasm_f32x4_max(vi2, vi3);
const v128_t vmax45 = wasm_f32x4_max(vi4, vi5);
const v128_t vmax67 = wasm_f32x4_max(vi6, vi7);
const v128_t vmax2345 = wasm_f32x4_max(vmax23, vmax45);
const v128_t vmax0167 = wasm_f32x4_max(vmax01, vmax67);
const v128_t vmax = wasm_f32x4_max(vmax2345, vmax0167);
v128_t vout = wasm_f32x4_max(wasm_f32x4_min(vmax, voutput_max), voutput_min);
if (c & 2) {
*((double*) o) = wasm_f64x2_extract_lane(vout, 0);
vout = wasm_v32x4_shuffle(vout, vout, 2, 3, 2, 3);
o += 2;
}
if (c & 1) {
*o++ = wasm_f32x4_extract_lane(vout, 0);
}
}
}
input = (const float**) ((uintptr_t) input + input_increment);
output = (float*) ((uintptr_t) o + output_increment);
} while (--output_pixels != 0);
}